You will enjoy eyelash extensions infills 30 minutes or half set 45 minutes or full set 60 minutes at mint day spa we chose to use the flirties eyelash extension system flirties eyelash extensions are individual semi permanent extensions for the lashes lasting up to 4 weeks and causing no damage to the natural lashes last up to 4 weeks infills every 2 3 weeks if you arent ready to say goodbye to your lashes yet no damage to the natural lashes no irritation to the eyes l